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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004-2007
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "trousers/tss.h"
#include "trousers/trousers.h"
#include "trousers_types.h"
#include "spi_utils.h"
#include "capabilities.h"
#include "tsplog.h"
#include "obj.h"
TSS_RESULT
Tspi_TPM_SetStatus(TSS_HTPM hTPM, /* in */
TSS_FLAG statusFlag, /* in */
TSS_BOOL fTpmState) /* in */
{
TPM_AUTH auth, *pAuth;
TSS_RESULT result;
TCPA_DIGEST hashDigest;
TSS_HCONTEXT tspContext;
TSS_HPOLICY hPolicy;
TSS_HPOLICY hOperatorPolicy;
Trspi_HashCtx hashCtx;
UINT32 tpmVersion;
if ((result = obj_tpm_get_tsp_context(hTPM, &tspContext)))
return result;
if ((result = obj_tpm_get_policy(hTPM, TSS_POLICY_USAGE, &hPolicy)))
return result;
switch (statusFlag) {
case TSS_TPMSTATUS_DISABLEOWNERCLEAR:
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_DisableOwnerClear);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = secret_PerformAuth_OIAP(hTPM, TPM_ORD_DisableOwnerClear, hPolicy,
FALSE, &hashDigest, &auth)))
return result;
if ((result = TCS_API(tspContext)->DisableOwnerClear(tspContext, &auth)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, result);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_DisableOwnerClear);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = obj_policy_validate_auth_oiap(hPolicy, &hashDigest, &auth)))
return result;
break;
case TSS_TPMSTATUS_DISABLEFORCECLEAR:
result = TCS_API(tspContext)->DisableForceClear(tspContext);
break;
case TSS_TPMSTATUS_DISABLED:
case TSS_TPMSTATUS_OWNERSETDISABLE:
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_OwnerSetDisable);
result |= Trspi_Hash_BOOL(&hashCtx, fTpmState);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = secret_PerformAuth_OIAP(hTPM, TPM_ORD_OwnerSetDisable, hPolicy,
FALSE, &hashDigest, &auth)))
return result;
if ((result = TCS_API(tspContext)->OwnerSetDisable(tspContext, fTpmState, &auth)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, result);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_OwnerSetDisable);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = obj_policy_validate_auth_oiap(hPolicy, &hashDigest, &auth)))
return result;
break;
case TSS_TPMSTATUS_PHYSICALDISABLE:
if (fTpmState)
result = TCS_API(tspContext)->PhysicalDisable(tspContext);
else
result = TCS_API(tspContext)->PhysicalEnable(tspContext);
break;
case TSS_TPMSTATUS_DEACTIVATED:
case TSS_TPMSTATUS_PHYSICALSETDEACTIVATED:
result = TCS_API(tspContext)->PhysicalSetDeactivated(tspContext, fTpmState);
break;
case TSS_TPMSTATUS_SETTEMPDEACTIVATED:
if ((result = obj_context_get_tpm_version(tspContext, &tpmVersion)))
return result;
/* XXX Change 0,1,2 to #defines */
switch (tpmVersion) {
case 0:
case 1:
result = TCS_API(tspContext)->SetTempDeactivated(tspContext);
break;
case 2:
if ((result = obj_tpm_get_policy(hTPM, TSS_POLICY_OPERATOR, &hOperatorPolicy)))
return result;
if (hOperatorPolicy != NULL_HPOLICY) {
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_SetTempDeactivated);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
pAuth = &auth;
if ((result = secret_PerformAuth_OIAP(hTPM,
TPM_ORD_SetTempDeactivated,
hOperatorPolicy, FALSE,
&hashDigest, pAuth)))
return result;
}
else
pAuth = NULL;
if ((result = TCS_API(tspContext)->SetTempDeactivated2(tspContext, pAuth)))
return result;
if (pAuth) {
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, result);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_SetTempDeactivated);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = obj_policy_validate_auth_oiap(hOperatorPolicy,
&hashDigest,
pAuth)))
return result;
}
break;
default:
return TSPERR(TSS_E_INTERNAL_ERROR);
}
break;
case TSS_TPMSTATUS_SETOWNERINSTALL:
result = TCS_API(tspContext)->SetOwnerInstall(tspContext, fTpmState);
break;
case TSS_TPMSTATUS_DISABLEPUBEKREAD:
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_DisablePubekRead);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = secret_PerformAuth_OIAP(hTPM, TPM_ORD_DisablePubekRead, hPolicy,
FALSE, &hashDigest, &auth)))
return result;
if ((result = TCS_API(tspContext)->DisablePubekRead(tspContext, &auth)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, result);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_DisablePubekRead);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = obj_policy_validate_auth_oiap(hPolicy, &hashDigest, &auth)))
return result;
break;
case TSS_TPMSTATUS_ALLOWMAINTENANCE:
/* Allow maintenance cannot be set to TRUE in the TPM */
if (fTpmState)
return TSPERR(TSS_E_BAD_PARAMETER);
/* The path to setting allow maintenance to FALSE is through
* KillMaintenanceFeature */
return Tspi_TPM_KillMaintenanceFeature(hTPM);
break;
#ifdef TSS_BUILD_TSS12
case TSS_TPMSTATUS_DISABLEPUBSRKREAD:
/* The logic of setting a 'disable' flag is reversed in the TPM, where setting this
* flag to TRUE will enable the SRK read, while FALSE disables it. So we need to
* flip the bool here. Sigh... */
fTpmState = fTpmState ? FALSE : TRUE;
result = TSP_SetCapability(tspContext, hTPM, hPolicy, TPM_SET_PERM_FLAGS,
TPM_PF_READSRKPUB, fTpmState);
break;
case TSS_TPMSTATUS_RESETLOCK:
/* ignoring the bool here */
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_ResetLockValue);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = secret_PerformAuth_OIAP(hTPM, TPM_ORD_ResetLockValue, hPolicy,
FALSE, &hashDigest, &auth)))
return result;
if ((result = TCS_API(tspContext)->ResetLockValue(tspContext, &auth)))
return result;
result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1);
result |= Trspi_Hash_UINT32(&hashCtx, result);
result |= Trspi_Hash_UINT32(&hashCtx, TPM_ORD_ResetLockValue);
if ((result |= Trspi_HashFinal(&hashCtx, hashDigest.digest)))
return result;
if ((result = obj_policy_validate_auth_oiap(hPolicy, &hashDigest, &auth)))
return result;
break;
#endif
#ifndef TSS_SPEC_COMPLIANCE
case TSS_TPMSTATUS_PHYSPRES_LIFETIMELOCK:
/* set the lifetime lock bit */
result = TCS_API(tspContext)->PhysicalPresence(tspContext,
TPM_PHYSICAL_PRESENCE_LIFETIME_LOCK);
break;
case TSS_TPMSTATUS_PHYSPRES_HWENABLE:
/* set the HW enable bit */
result = TCS_API(tspContext)->PhysicalPresence(tspContext,
TPM_PHYSICAL_PRESENCE_HW_ENABLE);
break;
case TSS_TPMSTATUS_PHYSPRES_CMDENABLE:
/* set the command enable bit */
result = TCS_API(tspContext)->PhysicalPresence(tspContext,
TPM_PHYSICAL_PRESENCE_CMD_ENABLE);
break;
case TSS_TPMSTATUS_PHYSPRES_LOCK:
/* set the physical presence lock bit */
result = TCS_API(tspContext)->PhysicalPresence(tspContext,
TPM_PHYSICAL_PRESENCE_LOCK);
break;
case TSS_TPMSTATUS_PHYSPRESENCE:
/* set the physical presence state */
result = TCS_API(tspContext)->PhysicalPresence(tspContext, (fTpmState ?
TPM_PHYSICAL_PRESENCE_PRESENT :
TPM_PHYSICAL_PRESENCE_NOTPRESENT));
break;
#endif
default:
return TSPERR(TSS_E_BAD_PARAMETER);
break;
}
return result;
}
TSS_RESULT
Tspi_TPM_GetStatus(TSS_HTPM hTPM, /* in */
TSS_FLAG statusFlag, /* in */
TSS_BOOL * pfTpmState) /* out */
{
TSS_HCONTEXT tspContext;
TSS_RESULT result;
UINT32 nonVolFlags;
UINT32 volFlags;
if (pfTpmState == NULL)
return TSPERR(TSS_E_BAD_PARAMETER);
if ((result = obj_tpm_get_tsp_context(hTPM, &tspContext)))
return result;
if ((result = get_tpm_flags(tspContext, hTPM, &volFlags, &nonVolFlags)))
return result;
switch (statusFlag) {
case TSS_TPMSTATUS_DISABLEOWNERCLEAR:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_DISABLEOWNERCLEAR_BIT);
break;
case TSS_TPMSTATUS_DISABLEFORCECLEAR:
*pfTpmState = BOOL(volFlags & TSS_TPM_SF_DISABLEFORCECLEAR_BIT);
break;
case TSS_TPMSTATUS_DISABLED:
case TSS_TPMSTATUS_OWNERSETDISABLE:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_DISABLE_BIT);
break;
case TSS_TPMSTATUS_DEACTIVATED:
case TSS_TPMSTATUS_PHYSICALSETDEACTIVATED:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_DEACTIVATED_BIT);
break;
case TSS_TPMSTATUS_SETTEMPDEACTIVATED:
*pfTpmState = BOOL(volFlags & TSS_TPM_SF_DEACTIVATED_BIT);
break;
case TSS_TPMSTATUS_SETOWNERINSTALL:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_OWNERSHIP_BIT);
break;
case TSS_TPMSTATUS_DISABLEPUBEKREAD:
*pfTpmState = INVBOOL(nonVolFlags & TSS_TPM_PF_READPUBEK_BIT);
break;
case TSS_TPMSTATUS_ALLOWMAINTENANCE:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_ALLOWMAINTENANCE_BIT);
break;
case TSS_TPMSTATUS_MAINTENANCEUSED:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_MAINTENANCEDONE_BIT);
break;
case TSS_TPMSTATUS_PHYSPRES_LIFETIMELOCK:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_PHYSICALPRESENCELIFETIMELOCK_BIT);
break;
case TSS_TPMSTATUS_PHYSPRES_HWENABLE:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_PHYSICALPRESENCEHWENABLE_BIT);
break;
case TSS_TPMSTATUS_PHYSPRES_CMDENABLE:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_PHYSICALPRESENCECMDENABLE_BIT);
break;
case TSS_TPMSTATUS_CEKP_USED:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_CEKPUSED_BIT);
break;
case TSS_TPMSTATUS_PHYSPRESENCE:
*pfTpmState = BOOL(volFlags & TSS_TPM_SF_PHYSICALPRESENCE_BIT);
break;
case TSS_TPMSTATUS_PHYSPRES_LOCK:
*pfTpmState = BOOL(volFlags & TSS_TPM_SF_PHYSICALPRESENCELOCK_BIT);
break;
case TSS_TPMSTATUS_TPMPOST:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_TPMPOST_BIT);
break;
case TSS_TPMSTATUS_TPMPOSTLOCK:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_TPMPOSTLOCK_BIT);
break;
case TSS_TPMSTATUS_FIPS:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_FIPS_BIT);
break;
case TSS_TPMSTATUS_ENABLE_REVOKEEK:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_ENABLEREVOKEEK_BIT);
break;
case TSS_TPMSTATUS_TPM_ESTABLISHED:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_RESETESTABLISHMENTBIT_BIT);
break;
case TSS_TPMSTATUS_NV_LOCK:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_NV_LOCKED_BIT);
break;
case TSS_TPMSTATUS_POSTINITIALISE:
/* There is no way to query the TPM for this flag. */
result = TSPERR(TSS_E_NOTIMPL);
break;
#ifdef TSS_BUILD_TSS12
case TSS_TPMSTATUS_DISABLEPUBSRKREAD:
*pfTpmState = INVBOOL(nonVolFlags & TSS_TPM_PF_READSRKPUB_BIT);
break;
case TSS_TPMSTATUS_OPERATORINSTALLED:
*pfTpmState = BOOL(nonVolFlags & TSS_TPM_PF_OPERATOR_BIT);
break;
#endif
default:
return TSPERR(TSS_E_BAD_PARAMETER);
break;
}
return TSS_SUCCESS;
}
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